CST Review

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Across
  1. 2. earths atmosphere is divided into layers based upon their temperature _____
  2. 7. the driving force for surface ocean currents
  3. 8. the moon's thin ______ causes it to have extreme temperature differences
  4. 9. rock composed of silicate materials
  5. 10. where stars begin their life cycle
  6. 11. carbon in the atmosphere is most often found as what compound
  7. 13. carbon dioxide is used by plants, algae, and cyanobacteria during the process of
  8. 15. the convergence of two continental plates produces
  9. 18. which energy is made possible by the volcanic activity in California
Down
  1. 1. geothermal energy is possible where there is
  2. 3. the atmospheric layer furthest from the earths surface
  3. 4. earthquake vibrations are detected, measured and recorded by
  4. 5. the atmospheric layer closest to the earths surface
  5. 6. layer of cool air at the surface of earth is found under a layer of warmer air
  6. 12. increase in what energy resource could increase average global temperatures
  7. 14. cycle made possible by the presence of photosynthetic bacteria on Earth
  8. 16. a rift valley is what type of plate boundary
  9. 17. the Richter scale measures